000 00556 a2200169 4500
003 ISURu
008 210118b ce ||||| |||| 00| 0 sin d
041 _aeng
080 _a628.16
_bWOR
110 _aWorld Health Organization
_928787
245 _aGuidelines for drinking-water quility - Vol 3
_bdrinking water quality control in small community supplies
260 _aDelhi
_bCBS Publishers
_c1985
_g1991
300 _avii,120 p.
650 0 _aPUBLIC HEALTH AND ENVIRONMENTAL ENGINEERING
_9114687
942 _cL
_2ddc
945 _dMain Library ADMIN
_c26318
999 _c95422
_d116257